A custom compatible encoder solution can be provided for 8.9080.4131.3001 where the installed system uses a 12 mm flange-mounted PROFIBUS encoder with cable gland terminal entry. This version is suitable for maintenance, retrofit, replacement, and upgrade projects requiring stable mechanical reference and direct cable entry. Typical production lead time: 15 working days. The main task is to preserve the compact-bore flange arrangement together with the original fieldbus behavior.
Technical Overview of the 8.9080.4131.3001 Encoder
The encoder belongs to a multiturn absolute platform using PROFIBUS DP over RS485. It supports scalable resolution, binary code output, and programmable functions such as direction of rotation, preset, diagnostics mode, and scaling factor. The series operates from 10 ... 30 V DC and provides IP65 environmental protection for industrial feedback applications.
Its code identifies a mounting flange, 12 mm H7 through hollow shaft, and cable gland M16 connection cover. This makes it a smaller-bore flange-mounted variant with direct terminal-box style wiring, which may be preferred where machine space is limited but cable sealing and enclosed termination remain important.
Industrial Integration Considerations
In compact installations, a 12 mm bore encoder may sit in tighter spaces than larger-bore versions, so cable entry angle and housing access can become critical during replacement. The flange arrangement offers fixed positioning, but it also means the installation should be aligned carefully to avoid forcing the shaft or housing during assembly.
The cable gland connection style is often retained in machinery where direct termination and shield handling are already established inside the encoder housing area. Preserving that connection method can simplify replacement and help maintain the original EMC and grounding approach.
Custom Compatible Encoder Solution
For 8.9080.4131.3001, a custom compatible encoder solution should match the 12 mm through hollow shaft, mounting flange geometry, and cable gland terminal cover while maintaining PROFIBUS DP class 2 communication and scalable absolute feedback behavior. This supports both compact mechanical integration and practical field replacement continuity.
Where original scaling or preset data is already stored in the automation system, those details should be checked during engineering review to keep recommissioning work under control.
Custom Solution Photos


Lead Time and Custom Development
Typical production lead time: 15 working days.
The custom review should confirm flange dimensions, bore fit, cable entry method, and bus settings. This model is best handled as a compact but integration-sensitive variant.
Typical Technical Parameters
| Parameter | Specification |
|---|---|
| Encoder Type | Multiturn absolute encoder |
| Model | 8.9080.4131.3001 |
| Interface | PROFIBUS DP |
| Protocol Profile | Class 2 |
| Physical Layer | RS485 |
| Supply Voltage | 10 ... 30 V DC |
| Resolution Singleturn | 1 ... 8192, scalable |
| Multiturn Capability | 1 ... 4096, scalable |
| Max Overall Resolution | 25 bit |
| Code Type | Binary |
| Shaft Type | Through hollow shaft |
| Bore Size | 12 mm H7 |
| Mounting Style | Mounting flange |
| Connection Type | Removable bus terminal cover with cable gland M16 |
| Protection Rating | IP65 |
| Operating Temperature | -10°C ... +70°C |
| Max. Speed | 6000 min⁻¹ max., 3000 min⁻¹ continuous |

